"When she to foreign Objects Audience gives, / Their Strokes and Motions in the Brain perceives, / As these Perceptions we Ideas name, / From her own Pow'r and active Nature came, / So when discern'd by Intellectual Light, / Her self her various Passions does excite, / To Ill her Hate, to Good he...

"The ready Phantomes at her Nod advance, / And form the busie Intellectual Dance: / While her fair Scenes to vary, or supply, / She singles out fit Images, that lye / In Memory's Records, which faithful hold / Objects immense in secret Marks inroll'd, / The sleeping Forms at her Command awake, / ...

"And tho' these Spirits, which obsequious go, / Know not the Paths, thro' which they ready flow, / Nor can our Mind instruct them in their Way, / Of all their Roads as ignorant, as they; / Yet seldom erring they attain their End, / And reach that single Part, which we intend."

"Tell us, Lucretius, Epicurus, tell, / And you in Wit unrival'd shall excel, / How thro' the outward Sense the Object flies, / How in the Soul her Images arise. / What Thinking, what Perception is, explain; / What all the airy Creatures of the Brain; / How to the Mind a Thought reflected goes, / ...